2051535100 has 18 divisors (see below), whose sum is σ = 4451831384. Its totient is φ = 820614000.

The previous prime is 2051535067. The next prime is 2051535149. The reversal of 2051535100 is 15351502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10257576 + ... + 10257775.

Almost surely, 2^2051535100 is an apocalyptic number.

2051535100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051535100 is an abundant number, since it is smaller than the sum of its proper divisors (2400296284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051535100 is a wasteful number, since it uses less digits than its factorization.

2051535100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20515365 (or 20515358 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 2051535100 is about 45293.8748618398. The cubic root of 2051535100 is about 1270.6511014402.

Adding to 2051535100 its reverse (15351502), we get a palindrome (2066886602).

The spelling of 2051535100 in words is "two billion, fifty-one million, five hundred thirty-five thousand, one hundred".